Sodium pyrosulfate

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Sodium pyrosulfate[1]
Sodium pyrosulfate.png
Names
IUPAC name
Disodium disulfate
Other names
Sodium pyrosulphate; Disulfuric acid disodium salt.
Identifiers
13870-29-6 YesY
ChEMBL ChEMBL111016 N
Jmol-3D images Image
Properties
Na2S2O7
Molar mass 222.12 g/mol
Appearance Translucent white crystals
Density 2.658 g/cm3
Melting point 400.9 °C (753.6 °F; 674.0 K)
Boiling point decomposes at 460 °C (860 °F; 733 K)
Soluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 N verify (what isYesY/N?)
Infobox references

Sodium pyrosulfate is a salt of sodium and pyrosulfate, obtained by the dehydration of sodium bisulfate. This is an intermediate stage in the preparation of sulfur trioxide.

See also[edit]

References[edit]

  1. ^ Olsen, J. C., ed. (1934). Van Nostrand's Chemical Annual. London: Chapman and Hall.